How to use inbuilt gcd STL function.?

#1

here is my code

#2

Hey @Anku47, you can use __gcd(a,b) don’t forget to include appropriate header file (or simply use #include<bits/stdc++.h>).
Hope this helps.

#3

thanks. as you told that to use #include<bits/stdc++.h>).
i have heard about this but not studied or learnt about it yet. in which topic of cpp launchpad course will we learn about it?

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